<template>
  <div>
      <div class="search">
          <input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音"/>
      </div>
      <div class="search-content" ref="search"
      v-show="keyword">
          <ul>
              <li class="search-item border-bottom"
              v-for="item of list"
              v-bind:key="item.id"
              v-on:click="handleCityClick(item.name)">
              {{item.name}}</li>
              <li class="search-item border-bottom" v-show="hasNoDuiXiang">
                没有找到对象
              </li>
          </ul>
      </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'
import { mapMutations } from 'vuex'
export default {
  name: 'CitySearch',
  props: {
    cities: {
      type: Object
    }
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null
    }
  },
  methods: {
    // handleCityClick (city) {
    //   this.$store.commit('changeCity', city)
    //   this.$router.push('/')
    // }
    handleCityClick (city) {
      this.changeCity(city)
      this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  computed: {
    hasNoDuiXiang () {
      return !this.list.length
    }
  },
  watch: {
    keyword (newValue, oldValue) {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if (!this.keyword) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.name.indexOf(this.keyword) > -1 || value.spell.indexOf(this.keyword) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.search)
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  .search
    height: .72rem
    padding: .1rem
    background: $bgColor
    .search-input
      box-sizing: border-box
      width: 100%
      height: .62rem
      padding: 0 .1rem
      line-height: .62rem
      text-align: center
      border-radius: .06rem
      color: #666
  .search-content
    z-index 1
    overflow hidden
    position absolute
    top 2.44rem
    left 0
    right 0
    bottom 0
    background #eee
    .search-item
      line-height .62rem
      padding-left .2rem
      background #fff
      color #666
</style>
